EP 1445516 A2 20040811 - Multistage automatic transmission
Title (en)
Multistage automatic transmission
Title (de)
Mehrstufiges Automatikgetriebe
Title (fr)
Boîte de vitesses automatique à rapports multiples
Publication
Application
Priority
JP 2003027728 A 20030205
Abstract (en)
A device is provided that issues a vehicle speed signal representative of a vehicle speed. A control unit is configured to carry out when, upon the transmission assuming the second speed, the vehicle speed represented by the vehicle speed signal becomes equal to or lower than a first predetermined speed, starting operation for fully releasing the engaged condition of the first clutch; when thereafter the vehicle speed becomes equal to or lower than a second predetermined speed that is lower than the first predetermined speed, starting operation for releasing the engaged condition of the second clutch; and when thereafter the vehicle speed becomes equal to or lower than a third predetermined speed that is lower than the second predetermined speed, starting operation for fully releasing the engaged condition of the second clutch and starting operation for engaging the first clutch from the fully released condition of the same.
IPC 1-7
IPC 8 full level
F16H 61/04 (2006.01); F16H 3/00 (2006.01); F16H 61/688 (2006.01)
CPC (source: EP US)
F16H 61/0437 (2013.01 - EP US); F16H 3/006 (2013.01 - EP US); F16H 61/688 (2013.01 - EP US); F16H 2200/0052 (2013.01 - EP US); F16H 2306/44 (2013.01 - EP US); F16H 2306/50 (2013.01 - EP US); F16H 2306/52 (2013.01 - EP US); F16H 2312/16 (2013.01 - EP US); Y10T 74/19251 (2015.01 - EP US); Y10T 74/1926 (2015.01 - EP US)
Citation (applicant)
- JP 2001295898 A 20011026 - AICHI MACHINE IND
- JP 2003027728 A 20030129 - MATSUSHITA ELECTRIC WORKS LTD
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1445516 A2 20040811; EP 1445516 A3 20100224; EP 1445516 B1 20110817; CN 101915303 A 20101215; CN 1570426 A 20050126; JP 2004239327 A 20040826; JP 3826888 B2 20060927; US 2004154420 A1 20040812; US 6949051 B2 20050927
DOCDB simple family (application)
EP 04001622 A 20040126; CN 200410055071 A 20040205; CN 201010132301 A 20040205; JP 2003027728 A 20030205; US 76866104 A 20040202